Sentry ST314A Instruction Manual page 13

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previous MUTE ON/OFF setting after re-start.
The buzzer alarm is OFF

Under the MUTE mode, all audible beeps are off.
The buzzer alarm is ON

Button Tone

The buzzer gives one beep when any of button
is pressed.
Detection Tone

The buzzer beeps every 2 seconds when no
leak activity is found.
The buzzer becomes rapid when leak signal is
approaching.
The fast beeps are given, the high density
hydrogen (H2) is detected.

The tip light is always off after re-start.
Press the Tip Light LED Button to turn on/off the
light of probe tip.

Auto backlight Mode (Power-saving Mode)

When no leak activity is found and no button is
pressed within 30secs, the detector will enter Auto
backlight Mode (Power-saving Mode) to shutdown
LCD backlight. And the backlight will be activated
again after finding leak activity or pressing any
buttons.
will be off.
The detector will automatically default to
Tip Light LED Button
Backlight ON/OFF Button
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